@Kruppt, it certainly would work as an item "Applications" inside openbox menu. I did it similarly before linking lxde-applications.menu (after install lxmenu-data openbox-menu) in OB on top of antiX, or used lxpanel instead of tint2.
Above Gen app however completely replaces obmenu with a dynamic iconified lxmenu looking thing. Anyway, right, there are different ways.

The Sparky Linux deb package is tailored to their distro so I do not think it advantageous to use it.
If you extract the deb package and look at the perl schema files you will see that they are
customized to their specific distro. Naturally you could remove the schema files that do not pertain
and edit the schema.pl file to your liking but the git version is easy enough to install.
Install git if not already installed,
and install the depends:

Then copy the schema.pl file to this ~/.config/obmenu-generator directory.
If you open the schema.pl file in a text editor and look at the syntax you will see how you can
customized the menu to your liking, then run the perl script: